JP6566646B2 - ズームレンズ及びそれを有する撮像装置 - Google Patents

ズームレンズ及びそれを有する撮像装置 Download PDF

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Publication number
JP6566646B2
JP6566646B2 JP2015011629A JP2015011629A JP6566646B2 JP 6566646 B2 JP6566646 B2 JP 6566646B2 JP 2015011629 A JP2015011629 A JP 2015011629A JP 2015011629 A JP2015011629 A JP 2015011629A JP 6566646 B2 JP6566646 B2 JP 6566646B2
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JP
Japan
Prior art keywords
lens
lens group
zoom
refractive power
positive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2015011629A
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English (en)
Japanese (ja)
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JP2015200870A5 (de
JP2015200870A (ja
Inventor
茂宣 杉田
茂宣 杉田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2015011629A priority Critical patent/JP6566646B2/ja
Priority to US14/663,571 priority patent/US9575391B2/en
Publication of JP2015200870A publication Critical patent/JP2015200870A/ja
Publication of JP2015200870A5 publication Critical patent/JP2015200870A5/ja
Application granted granted Critical
Publication of JP6566646B2 publication Critical patent/JP6566646B2/ja
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
    • G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
    • G02B15/145121—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive arranged +-+-+
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/146—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups
    • G02B15/1461—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Nonlinear Science (AREA)
JP2015011629A 2014-03-31 2015-01-23 ズームレンズ及びそれを有する撮像装置 Active JP6566646B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015011629A JP6566646B2 (ja) 2014-03-31 2015-01-23 ズームレンズ及びそれを有する撮像装置
US14/663,571 US9575391B2 (en) 2014-03-31 2015-03-20 Zoom lens and image pickup apparatus including the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014072124 2014-03-31
JP2014072124 2014-03-31
JP2015011629A JP6566646B2 (ja) 2014-03-31 2015-01-23 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2015200870A JP2015200870A (ja) 2015-11-12
JP2015200870A5 JP2015200870A5 (de) 2018-03-01
JP6566646B2 true JP6566646B2 (ja) 2019-08-28

Family

ID=54190078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015011629A Active JP6566646B2 (ja) 2014-03-31 2015-01-23 ズームレンズ及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US9575391B2 (de)
JP (1) JP6566646B2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10139595B1 (en) 2014-03-16 2018-11-27 Navitar Industries, Llc Optical assembly for a compact wide field of view digital camera with low first lens diameter to image diagonal ratio
US9494772B1 (en) 2014-03-16 2016-11-15 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with low field curvature
US9316808B1 (en) 2014-03-16 2016-04-19 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with a low sag aspheric lens element
US11320633B2 (en) 2014-11-04 2022-05-03 Navitar Industries, Llc Optical assembly for a compact wide field of view digital camera with low first lens diameter to image diagonal ratio
US9835835B1 (en) 2015-04-10 2017-12-05 Navitar Industries, Llc Projection zoom lens and camera
JP6404795B2 (ja) 2015-09-28 2018-10-17 富士フイルム株式会社 ズームレンズおよび撮像装置
US10126536B2 (en) 2016-02-24 2018-11-13 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP6818429B2 (ja) 2016-05-06 2021-01-20 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6818546B2 (ja) 2016-12-28 2021-01-20 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6953155B2 (ja) 2017-03-23 2021-10-27 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6942496B2 (ja) 2017-03-23 2021-09-29 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
CN110418993B (zh) * 2017-03-28 2021-12-07 株式会社尼康 光学系统以及光学设备
JP6980430B2 (ja) 2017-06-28 2021-12-15 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6859230B2 (ja) 2017-08-08 2021-04-14 株式会社タムロン ズームレンズ及び撮像装置
JP6904853B2 (ja) 2017-08-30 2021-07-21 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
CN112859308A (zh) * 2019-11-27 2021-05-28 中强光电股份有限公司 变焦镜头及其制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4845502B2 (ja) 2005-12-15 2011-12-28 キヤノン株式会社 光学系及びそれを有する光学機器
JP5448028B2 (ja) 2008-07-28 2014-03-19 株式会社ニコン ズームレンズ、これを有する光学機器
KR101919011B1 (ko) * 2012-05-11 2018-11-16 삼성전자주식회사 망원 줌 렌즈계 및 이를 포함한 촬영 장치
JP6212279B2 (ja) * 2013-04-16 2017-10-11 株式会社ニコン ズームレンズ

Also Published As

Publication number Publication date
US20150277090A1 (en) 2015-10-01
JP2015200870A (ja) 2015-11-12
US9575391B2 (en) 2017-02-21

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